1011301321 has 16 divisors (see below), whose sum is σ = 1094611968. Its totient is φ = 930758400.

The previous prime is 1011301309. The next prime is 1011301331. The reversal of 1011301321 is 1231031101.

It is a cyclic number.

It is not a de Polignac number, because 1011301321 - 2²¹ = 1009204169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011301331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296536 + ... + 299926.

It is an arithmetic number, because the mean of its divisors is an integer number (68413248).

Almost surely, 2^1011301321 is an apocalyptic number.

It is an amenable number.

1011301321 is a deficient number, since it is larger than the sum of its proper divisors (83310647).

1011301321 is a wasteful number, since it uses less digits than its factorization.

1011301321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3792.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1011301321 is about 31800.9641520505. The cubic root of 1011301321 is about 1003.7530043380.

Adding to 1011301321 its reverse (1231031101), we get a palindrome (2242332422).

The spelling of 1011301321 in words is "one billion, eleven million, three hundred one thousand, three hundred twenty-one".